2026 BMW 4 Series 2.0 420i M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2026
• Mileage: 7,136 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 7,136 miles on the clock, this 2026 BMW 4 Series M Sport has done roughly 3,100 more miles than a typical 2026 BMW 4 Series. Priced at £44,690, it is advertised £3,662 above the AskCar estimate of £41,028. The AskCar estimate draws on 1,814 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 70 days ago, and its asking price has since fallen by £4,300. The seller is Partridge BMW, based in Eastleigh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,662 (8%) over the AskCar estimate of £41,028.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2026 BMW 4 Series with the 2.0 petrol engine is typically advertised at £41,000: the median of the 73 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2026 BMW 4 Series has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 26 August 2026 at £48,990. Its asking price is now £44,690, £4,300 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 26 August 2026: £48,990
• 11 September 2026: £47,990
• 15 October 2026: £44,990
• 4 November 2026: £44,690

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2026 BMW 4 Series on AskCar.

Similar cars

19 other 2026 BMW 4 Series M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £40,000 to £48,465, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 6,848 miles. Price: £42,995, £1,695 less than this car. Dealer: Group 1 Farnborough BMW in Farnborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-b745900115be
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey. Mileage: 7,912 miles. Price: £42,850, £1,840 less than this car. Dealer: Sandal BMW Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-f9408dce76c7
• 2026 BMW 4 Series M Sport, 2.0 petrol convertible, black. Mileage: 5,898 miles. Price: £44,998, £308 more than this car. Dealer: Group 1 Chelmsford BMW in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-391cf379cd48

• The nearest: 2026 BMW 4 Series M Sport, 2.0 petrol convertible, grey, 28 miles from this car. Mileage: 5,030 miles. Price: £42,999, £1,691 less than this car. Dealer: cinch in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-db521ae3212f